설명
SinRin ♥ ( SinB x Yerin ) GFRIEND
Twitter: https://twitter.com/SinbYerinGF
Facebook: https://www.facebook.com/SinbYerinGF
Instagram: https://www.instagram.com/SinbYerinGF
Gfriend FB: https://www.facebook.com/gfrdofficial
Gfriend TW: https://twitter.com/GFRDofficial
Gfriend IG: https://www.instagram.com/gfriendofficial
Gfriend V Live (Live Streaming) : http://channels.vlive.tv/F73FF/video